If it's a window AC and it worked fine, then just look at the stickers and buy something that matches the BTUs. Also make sure it's the same size. Measure twice, buy once. If you can go bigger I would suggest you do
Ok let me ask is it a window A/C ? If so you need to know the size of the room you are going to use in . After you can get the best size for your room. If any questions pls don't hold back just ask and I will do the best to answer
Replacing air conditioning can be troublesome are you referring to whole house air conditioner or window unit?
Get and hvac free quote or just ask, air conditioners already here just not the window a/c only fans and portables (not that great) wait for the window a/c couple weeks
You mite not even need to replace your air conditioner filter mite just be dirty
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